1) (610^2)^3(1610^-5) = (6^3 10^6) (16 10^-5)= 216 10^6 16 10^-5= 3456 10^1= 34560
2) (810^2)^3(1210^-5) = (8^3 10^6) (12 10^-5)= 512 10^6 12 10^-5= 6144 10^1= 61440
3) 0.8(-10)^4 + 3(-10)^3 + 78= 0.8 10000 + 3 -1000 + 78= 8000 - 3000 + 78= 5000 + 78= 5078
4) -0.7(-10)^4 - 8(-10)^2 - 26= 0.7 10000 - 8 100 - 26= 7000 - 800 - 26= 6200 - 26= 6174
1) (610^2)^3(1610^-5) = (6^3 10^6) (16 10^-5)
= 216 10^6 16 10^-5
= 3456 10^1
= 34560
2) (810^2)^3(1210^-5) = (8^3 10^6) (12 10^-5)
= 512 10^6 12 10^-5
= 6144 10^1
= 61440
3) 0.8(-10)^4 + 3(-10)^3 + 78
= 0.8 10000 + 3 -1000 + 78
= 8000 - 3000 + 78
= 5000 + 78
= 5078
4) -0.7(-10)^4 - 8(-10)^2 - 26
= 0.7 10000 - 8 100 - 26
= 7000 - 800 - 26
= 6200 - 26
= 6174